Adeneo Embedded i.MX53 Benutzerhandbuch - Seite 19

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Using Ethernet

● Using the Android debug console, get an IP address from a DHCP server:

# setprop net.dns1 [IP address of your DNS server]

You should then see a 'Link is up' indication. Enter 'netcfg' again to verify that there are

●

now IP address and subnet assignments.

● For ethernet, the Android does not set up DNS automatically. Issue the following

command:

# setprop net.dns1 [IP address of your DNS server]

You should be able to use the browser with an ethernet connection.

●

Voltage fix

There is a temporary workaround to fix the mosaic effect observed when playing videos. This

increase in VCC voltage is only required with the MX53 T2.0 silicon. Boards that are labeled

SCH-26565 REV D or later (e.g. START-R) DO NOT require this workaround.

From the Freescale release notes:

"MX53 TO2.0 silicon has issue that causes video quality poor with

yellow blocks on the screen when playback some Videos. And we have a

Software Workaround which is little dangerous to the silicon. This

workaround increases the VPU voltage by increasing the VCC to 1.35V.

We did not include this workaround code in the release, and suggest

that you wait for TO2.1. Because It will shorten your silicon's life

cycle, so please pay attention to this before you decided to do so"

To apply this fix, issue the following commands from U-Boot (using the serial console):

U-Boot> setenv fix_voltage 'i2c mw 0x48 0x2f 0x62; i2c mw 0x48 0x3c

0x62'

U-Boot> setenv bootcmd 'run fix_voltage bootcmd_SD1 bootcmd_SD2'

01/29/2012

Adeneo i.MX53 QSB BSP for Android Gingerbread 4.2

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